Current Converters
Convert between current units used in circuit design, battery systems, power distribution, current rating, and electronics measurement. This hub applies exact SI ampere scaling so prefix-based conversions remain consistent and reversible.
Explanation
Electric current is the flow of electric charge per unit time, measured in amperes (A), the SI base unit. Since 2019, the ampere is defined through the fixed numerical value of the elementary charge. Prefix relationships are exact: 1 mA = 10⁻³ A, 1 µA = 10⁻⁶ A, 1 kA = 10³ A, and 1 MA = 10⁶ A. Every factor is derived by reducing units to amperes, so conversions are purely multiplicative with no offsets. For clarity, current conversions are grouped into base-to-prefix and practical electrical scaling relationships.
Frequently Asked Questions
What is electric current?
Electric current is the rate of electric charge flow through a conductor or device.
What is the SI unit of current?
The SI unit is the ampere (A).
What does 1 ampere represent?
It represents one coulomb of charge flowing per second (1 A = 1 C/s).
How are milliamps and microamps related?
They are exact decimal prefixes: 1 mA = 1000 µA.
Why are milliamps common in electronics?
Many sensors, microcontrollers, and low-power circuits operate in milliamp ranges.
When are kiloamps used?
Kiloamps are used in high-current systems such as industrial power distribution, large motors, and fault-current analysis.
Are current conversions multiplicative?
Yes. SI prefix current conversions are purely multiplicative with no additive offsets.
How do I switch direction?
Use the switch button to navigate directly to the mirror page for the reverse conversion.